858-504 WAGO Signal Relays

Wago 858-504 is a plug-in relay assembly featuring push-in CAGE CLAMP spring connections. It is designed to handle a rated current of 5A continuously, with specific capacities for AC and DC applications: 1A at 240Vac (AC-15), 2A at 24Vdc (DC-13), and a maximum inrush current of 15A for 4 seconds at AC. The relay operates with a 4C/O or 4PDT (4 Pole Double Throw) contact arrangement and includes a socket base, a red LED indicator, and an electromechanical design. It recommends a minimum switching load of 12V / 100mA. The relay is built to withstand ambient air temperatures for storage ranging from -25°C to +70°C and operates within a control voltage range of -40°C to +80°C. It offers an IP20 degree of protection and is capable of switching up to 250Vac with a rated impulse voltage (Uimp) of 2.5 kV. The relay's mounting mode is designed for 4-poles (4P) on a DIN-35 rail, with dimensions of H97mm x W31mm x D73mm, and it utilizes Silver-Cerium (AgCe) contacts. The power consumption ranges from 19.2-26.4Vac (24Vac nominal), with a residual current sensitivity of 0.8...1.1 x Uc. The rated operating voltage (Ue) supports up to 250 V, with a primary current switching speed of 25ms for contacts closing and 35ms for contacts opening. It is designed for a high number of operations, with 100,000 for phase-to-neutral and 20,000,000 for trip current rating, and can operate within a humidity range of 5-85% RH.